1094531603 has 4 divisors (see below), whose sum is σ = 1194034488. Its totient is φ = 995028720.

The previous prime is 1094531563. The next prime is 1094531611. The reversal of 1094531603 is 3061354901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1094531603 - 2¹⁰ = 1094530579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1094531603.

It is not an unprimeable number, because it can be changed into a prime (1094531653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49751426 + ... + 49751447.

It is an arithmetic number, because the mean of its divisors is an integer number (298508622).

Almost surely, 2^1094531603 is an apocalyptic number.

1094531603 is a deficient number, since it is larger than the sum of its proper divisors (99502885).

1094531603 is an equidigital number, since it uses as much as digits as its factorization.

1094531603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99502884.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1094531603 is about 33083.7060046180. The cubic root of 1094531603 is about 1030.5666919584.

The spelling of 1094531603 in words is "one billion, ninety-four million, five hundred thirty-one thousand, six hundred three".